网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
To avoid scavenge fires occurring the engine timing and equipment maintenance （）.
A
should be correctly carried out
B
should correctly be taken place
C
should carried with care
D
must to carry out with great care
参考答案
参考解析
解析：
暂无解析
更多 “单选题To avoid scavenge fires occurring the engine timing and equipment maintenance （）.A should be correctly carried outB should correctly be taken placeC should carried with careD must to carry out with great care” 相关考题
考题
单选题In ships where the engine room is designed as UMS, temperature sensors are fitted at critical points within the scavenge spacesActivation would cause automatic （）of the engine.A
stopB
startC
speed upD
slow down
考题
单选题Defective timing gear in a diesel engine may lead to （）.A
smoky exhaustB
starting failureC
overloadD
over speed
考题
单选题Load control on a diesel engine is accomplished by （）.A
regulating the speed of the turbochargerB
rotating the fuel injector pump plungerC
regulating the speed of the fuel oil transfer pumpD
changing engine timing
考题
单选题Once a scavenge fire is detected the engine （）.A
will be speeded upB
should be slowed downC
must slow downD
have to be slow down
考题
单选题Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the （）, then a saving in fuel can be achieved.A
BHPB
MCRC
IHPD
MEP
考题
单选题If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are （）.A
polishedB
renewedC
adjustedD
ground
考题
单选题Poor combustion in a diesel engine can be caused by （）.A
high compression pressureB
low intake air temperatureC
low exhaust pressureD
high scavenge air temperature
考题
单选题What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）A
Crankshaft revolutionB
Type of engine (diesel or gasoline)C
Distance a piston travels during a strokeD
Number of pistons
考题
单选题Oil mist detectors are usually used on board to detect oil mist density within （）.A
the engine crankcaseB
the engine scavenge boxesC
drain tanksD
fuel tanks
考题
单选题The exhaust system for a turbocharged diesel engine functions to （）A
power the after-coolersB
power the turbochargerC
reduce the cylinder scavenge effectD
cool the turbocharger
考题
单选题Aqueous Film Forming Foam (AFFF), commonly known as ‘light water’, is especially suitable for fighting （）A
oil fires in the engine room bilgesB
class B fires in paint lockersC
any class D fireD
all of the above
考题
单选题The governor of a generator engine is to （）.A
make the engine stopB
regulate the timing of camshaftsC
make the rpm stabilize at any required valueD
make the engine run at nearly constant speed
考题
单选题To successfully reduce an excessively high diesel engine exhaust gas temperature, you should （）.A
reduce the engine driven fuel pump outlet pressureB
retard the fuel injector timing to reduce powerC
increase the fuel rack settingD
reduce the load on the engine
考题
单选题Fires occurring in combustible metals, such as sodium or magnesium, are classified as a （）.A
class AB
class BC
class CD
class D
考题
单选题Indications of （）are loss in power and irregular running of the engine, high exhaust temperatures of corresponding unite, high local temperature in scavenge trunk, surging of turbocharger, and sparks and smoke emitted from scavenge drains.A
a crankcase explosionB
a scavenge fireC
abnormal compression ratio
考题
单选题With Variable Injection Timing the start of injection may be （）as the engine load is reduced.A
advancedB
retardedC
kept constantD
none of the above
考题
单选题If a crankcase explosion occurs in a diesel engine, you should stop the engine and（）A
immediately open all crankcase relief portsB
increase crankcase exhauster speed to draw cool air into the engineC
allow the engine to cool naturallyD
increase crank case scavenge air to remove unburned gases
考题
单选题If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.A
stopB
startC
speed upD
slow down
考题
单选题A faulty injection in one cylinder of an operating diesel engine can be located by （）A
cutting out individual injectors and noting engine performanceB
checking lube oil temperatureC
checking cam positionD
using a timing light
考题
单选题Significant retardation of a diesel engine fuel injection timing will result in （）A
smoother engine operationB
advanced fuel ignitionC
increased fuel economyD
reduced engine power
考题
单选题One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to （）A
increase scavenge air pressureB
reduce fuel booster pump pressureC
adjust the fuel rackD
retard fuel injector timing
考题
单选题To avoid scavenge fires occurring the engine timing and equipment maintenance （）.A
should be correctly carried outB
should correctly be taken placeC
should carded with careD
must to carry out with great care
考题
单选题To avoid scavenge fires （） the engine timing and equipment maintenance should be correctly carried out.A
occurredB
occurringC
not happeningD
occur
考题
单选题When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be （）A
an obstruction in an cylinderB
water accumulation in some engine cylindersC
low starting air pressureD
low scavenge air pressure
考题
单选题The shaft and spare parts（） should be well greased in order to avoid corrosion.A
in the store roomB
in the cylinderC
in the scavenge air boxD
in the water box
考题
单选题With （） unit the timing of fuel injection of an engine can be regulated automatically.A
MBTB
MEGC
VSGD
VIT
考题
单选题When occurring a fire in the scavenge air box, the following measures should be taken except for（）A
reducing speed to SLOW and asking bridge for permission to stopB
stopping the fuel oil supplyC
switching-on the auxiliary blowersD
putting the scavenge air box fire extinguishing equipment into function
考题
单选题The timing of diesel engine air starting valves is controlled by（）A
the air start valve timing gears and rodsB
a cylinder check valveC
individual cams and valve gearD
an air manifold poppet valve
热门标签
最新试卷